Github user conker84 commented on the issue:
https://github.com/apache/zeppelin/pull/1582
@felixcheung @Leemoonsoo i'm ready to make a new PR but my
[travis](https://travis-ci.org/conker84/zeppelin) fails in one
[job](https://s3.amazonaws.com/archive.travis-ci.org/jobs/208402587/log.txt)
Can you help me to understand why?
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